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Page Title:
Table 2-2. TROUBLESHOOTING (CONT) |
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  TM 5-6116-465-34
NAVFAC P-8-625-34
TO 35C2-3446-2
TM 06858B/06859D-34
TROUBLESHOOTING (CONT)
Table 2-2.
PROBABLE CAUSE
CORRECTIVE ACTION
MALFUNCTION
,
a. Defective shutter control or
a . Replace shutter control linkage
8. Engine over-
heats
linkage (figure 3-24).
b. Defective water pump assembly
b. Repair or replace water pump as-
sembly (para. 3-30).
c. Clean, repair, or replace radiator
c. Clogged or defective radiator.
d. Repair or replace oil pump (para.
d. Oil pump defective.
a. Clean, repair, or replace fuel in-
9. Engine `knocks"
a. Fuel injection nozzle sticking
jection nozzles (para. 3-21).
b. Fuel injection pump timing advanced
b. Adjust fuel injection pump timing
c. Replace main bearings (para. 3-55).
c. Main bearings worn (figure 3-50)0
d. Replace connecting rod bearings
d.' Connecting rod bearings or wrist
or wrist pins (para. 3-55).
pins worn (figure 3-50).
e. Worn. timing gear train (figure 3-42).
f. Loose flywheel (figure 3-40).
f. Tighten flywheel mounting hard-
ware (para. 3-50).
g. Tighten generator coupling (para.
g. Loose generator coupling.
h. Incorrect valve adjustment.
h.. Check valve adjustment. (Operator
and Organizational Maintenance
Manual. )
10. Engine exhaust
a. Fuel injection nozzle holders out of
a. Clean, adjust, or replace fuel in-
jection nozzles (para. 3-21).
smoke excess-
adjustment, dirty or defective
ive
b. Replace piston rings (para. 3-55).
b. Worn, broken, or stuck piston rings
(20, figure 3-50).
c. Worn valve guides or seals
c. Replace valve guides and seals
d. Replace or repair burned valves
d. Burned valves (figure 3-44).
e. Defective head gasket (11, figure
e. Replace defective head gasket
3-44).
11. Engine oil con-
s. Leaking seals (figure 3-41).
a. Check crankshaft seals in timing
sumption excess-
gear cover. Check bell housing for
ive
dripping oil. Replace seals as
n e c e s s a r y (para. 3-49, 3-50).
b. Sticking, dirty, or defective oil
b. Clean, repair or replace oil pump
pump pressure relief valve (4,
pressure relief valve (para. 3-36).
2-5
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